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Paper Abstract and Keywords
Presentation 2020-12-25 13:00
Fabrication of resistive gas sensor using reduced graphene oxide (rGO) thin films based different reduction methods and their gas sensing property.
Kosuke Takano, Eiji Itoh (Shinsyu Univ.), Hironobu Ono, Shun Goda (Nippon Shokubai) OME2020-8
Abstract (in Japanese) (See Japanese page) 
(in English) In this study, we have investigated the sheet resistance Rs and the chemi-resistive gas sensing properties of the ultra-thin reduced graphene oxide films deposited by layer-by-layer (LbL) deposition of aqueous dispersed rGO or GO and polymer films (poly(diallyldimethyl-ammoniumchloride)(PDDA) or poly(ethyleneimine)(PEI). The Rs value linearly increase with the increment of acetone and ammonia gas concentration (0.1-4.0 ppm) within 2-3 s probably due to the change in carrier concentration of rGO surface. The rGO/PDDA films show higher sensitivity with acetone gas and rGO/PEI films show higher sensitivity with ammonia gas. The Rs of rGO/PEI films is much lower than rGO/PDDA films and Rs father decreases with chemical reduction with hydrazine treatment.
Keyword (in Japanese) (See Japanese page) 
(in English) gas sensor / reduced graphene oxide / thin film device / / / / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 307, OME2020-8, pp. 1-6, Dec. 2020.
Paper # OME2020-8 
Date of Issue 2020-12-18 (OME) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee OME  
Conference Date 2020-12-25 - 2020-12-26 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawaken Seinen Kaikan 
Topics (in Japanese) (See Japanese page) 
Topics (in English) bio-technology, surface and interfacial phenomena, measurement and observation, electronics, and other researches relating these 
Paper Information
Registration To OME 
Conference Code 2020-12-OME 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Fabrication of resistive gas sensor using reduced graphene oxide (rGO) thin films based different reduction methods and their gas sensing property. 
Sub Title (in English)  
Keyword(1) gas sensor  
Keyword(2) reduced graphene oxide  
Keyword(3) thin film device  
1st Author's Name Kosuke Takano  
1st Author's Affiliation Shinsyu University (Shinsyu Univ.)
2nd Author's Name Eiji Itoh  
2nd Author's Affiliation Shinsyu University (Shinsyu Univ.)
3rd Author's Name Hironobu Ono  
3rd Author's Affiliation Nippon Shokubai (Nippon Shokubai)
4th Author's Name Shun Goda  
4th Author's Affiliation Nippon Shokubai (Nippon Shokubai)
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Speaker Author-1 
Date Time 2020-12-25 13:00:00 
Presentation Time 20 minutes 
Registration for OME 
Paper # OME2020-8 
Volume (vol) vol.120 
Number (no) no.307 
Page pp.1-6 
Date of Issue 2020-12-18 (OME) 

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